Science

Follow PBS NewsHour’s complete coverage of Science and Technology stories.

On Friday's NewsHour, science correspondent Miles O'Brien reports on our fascination with robots and the efforts underway to make them as human as possible. So just how close are we to being replaced by robots? Observe the case of "…

The black-footed ferret, once thought extinct, has been successfully reintroduced to parts of its former habitat. A decade-long effort involving nearly 200 scientists and a colossal database has reached a simple conclusion: conservation works. But there's not enough of…